Conjoined container buildings which can be single floor, double floor or 3-floor are the first choice of construction sites in building industry due to their quick assembly and that they can be transported to other areas at the end of project. Buildings such as dormitories for workers, engineers and formen, and construction site offices and cafeterias can be set up quickly with conjoined container systems. These buildings the standards of which can be adjusted to the areas and conditions can be manufactured suitable for every area.